From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1361C10F14 for ; Thu, 3 Oct 2019 21:51:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FAB12086A for ; Thu, 3 Oct 2019 21:51:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=web.de header.i=@web.de header.b="mtJWe9Bf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728954AbfJCVu5 (ORCPT ); Thu, 3 Oct 2019 17:50:57 -0400 Received: from mout.web.de ([217.72.192.78]:41403 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726669AbfJCVu5 (ORCPT ); Thu, 3 Oct 2019 17:50:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=dbaedf251592; t=1570139445; bh=+slu9oigrifofLBmSnoGBXNUCdUs8UMw+gAQMYZR/OU=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=mtJWe9BfGLpk166deIOWv6NwNSVtqNu4zEFmltWTZO+Quufhq50MugB4t3PI53Dij P75Ixq7hozzbk0+FHdq9w1smAfhLlT6WCPVlEGLVmzgVIbWf+qdMbLNHxgkPW11OH5 mvpxatuhvRgzbIbSTYrf6MF+3Mcs9GpROLzrOyrI= X-UI-Sender-Class: c548c8c5-30a9-4db5-a2e7-cb6cb037b8f9 Received: from platinum.fritz.box ([89.14.73.200]) by smtp.web.de (mrweb103 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LdVza-1hpIko3M5i-00ikbu; Thu, 03 Oct 2019 23:50:44 +0200 From: Soeren Moch To: Heiko Stuebner Cc: Soeren Moch , linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] arm64: dts: rockchip: fix RockPro64 vdd-log regulator settings Date: Thu, 3 Oct 2019 23:50:34 +0200 Message-Id: <20191003215036.15023-1-smoch@web.de> X-Mailer: git-send-email 2.17.1 X-Provags-ID: V03:K1:sVWSznPIdgTeGmxS0/KuK5sR3zlLN0yEjQwtifgjotr6sUlPGeX SCaKNvjkY2xrsa2JwfaH4KWsSiYOkozaZoxo4JmqSc/EwguMpI45EebjNI3cQkwrCfPim6b 02b5Xj+b3kuMwjLS4tqXGFCniDNAIH3qhHOEWovdeCy4yOGDuzQye7qcb011wpp5K3Y+zv3 u+KYJmttKbwcJdT8JijcQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:vCe5hpyJPR8=:disR8f0omoqst11p1fIKAh iBAK1nFXc7AmOcAiFW44MeJNXdocthJHRd3VEcy9/B9yqK/hTjhNCgBGLXvhk3UzVzVTDK802 kBf9cEBdt34sF6mLB40sUD5CXT7PaMoPa78w45lA9C3+dF/9UxU09+6fr6SVTgU3mu6Hn2JqJ nvfqFZiqINBWoePt9nqRkkTUrqgEyMT6qHHfJUTadp6PJeCXCeirRPUqFqdJ8vx+tsSMrD+G5 fmZlzpPnl8Ky3j1gtFkLLcEAOMtAgzPfeEONvZiwK5J6n5MxwprBNRT7E07hW+xDfcQbQE0rD 8RGbx1mkzr2V92lpYcIRTNqde+Oh+/V4C4s6rQGxN+x/xws7iNpUeU9Rpv65WHyiheHZUcHs6 4n7JmhPiZXUCFzWUrmM6oJB7O70rL8WobnNCWQmNtYRuiqGautEew+TItXYvKBCtvFrALXdM+ vb1+FrU03VriEuoHeRWwPEsO45SGVwhYIsolu6CRDFU9G4a0WdORqWZVYVP+0JvpMOe/lA2zY 2rl2QFH53x1+BtBVK20hHOh7W3xtLH+WzZFsAzmnNe3+61mRhxIzHfDY3otUHd7hUG+pyyhXw 6RI9YNTvxF2AQ1rzSvvCNNtPkovfmdPvPTfO2Sqig4TRyAE9/Un4zf1wnoho8+Hqw2w2gvh2g lFdajNupo7PiibkssZMeWpi2Yyw+Ql484vPZldLOBFiuDXWRwYHJA7n3CWPRqu4FkvqZI0woF iWwuOPIyYV09g8L2UPq4YiXXvNXKdJWpQh/x59dBhs26HHmbaZxBvFHrUY7FWo9HRjA0t8hvE oDTTozWqTW6xzbFzIwp0E29Vp6mciCpjiqoLv7MMTbg0U9pPnAQecIk11U33l0ZqVQyKSxq8G Fdwl4gLqiQcP6Y/Zm2wBLvnsSffYrkTmqpiQ6RjPOPPy9GxZHTglNZP6Cr4a5N3lHKv4+rvUV pKvy7jWH6ub53Ne6v/8q//sL+wQIbqfuTNNpvc+MI28YX7YthEldq1GRyRKJ5k4z6o2nrqUik oRx5AuvdO3oPcAIsUwKaeuXqRrTtC9M6kdubTFXOZ8EZzZtj1unz7h3zRztMQu37AvKSyHhxt k56zCWlbMOjoKO97tb/lVKVF80M81PnaiIOXQ9I9E3UIF2s95Wg/VbtVzkWi4oF6WwrqqO44y sthchBfNPGC/jUAm3c9UeqBDY4lM5Ilus4dUpjvn4gcHDKMGS6iu/KEEMEuL56mRaMcwg/xXM L5sIsGmzM7HYTjE4fJFm35NicLPlNwOqZLoaMsg== Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The RockPro64 schematic [1] page 18 states a min voltage of 0.8V and a max voltage of 1.4V for the VDD_LOG pwm regulator. However, there is an additional note that the pwm parameter needs to be modified. =46rom the schematics a voltage range of 0.8V to 1.7V can be calculated. Additional voltage measurements on the board show that this fix indeed leads to the correct voltage, while without this fix the voltage was set too high. [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Ro= ckpro64") Signed-off-by: Soeren Moch =2D-- Cc: Heiko Stuebner Cc: linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org =2D-- arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm6= 4/boot/dts/rockchip/rk3399-rockpro64.dts index 0401d4ec1f45..845eb070b5b0 100644 =2D-- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts @@ -173,7 +173,7 @@ regulator-always-on; regulator-boot-on; regulator-min-microvolt =3D <800000>; - regulator-max-microvolt =3D <1400000>; + regulator-max-microvolt =3D <1700000>; vin-supply =3D <&vcc5v0_sys>; }; }; =2D- 2.17.1